Lubricating system



April 23, 1935.

0. u. zERK 1,998,746

LUBRICATING SYSTEM Filed June 12, 1929 22 sheets-sheet 2 22 Sheets-Sheet 1 O. U. ZERK LUBRICATING SYSTEM Filed June l2,

April 23, 1935.

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April 23, 1935.

April 23, 1935. Q U, ZERK 1,998,746

LUBRICATING SYSTEM Filed June 12, 1929 22 Sheets-Sheet 4 Ziff April 23, 1935. o. u. zl-:RK 1,998,746

LUBRICATING SYSTEM Filed June 12, 1929 22 sheets-Sheet 5 April 23; v1935. o. U. ZERK y 1,998,746

LUBRICATING SYSTEM Filed June l2, 1929 22 Sheets-Sheet 6 1929 22' sheets-sheet 7 O. U. ZERK LUBRICATING SYSTEM Filed June l2 April 23, 1935.

April 23, 1935. o. u. ZERK 1,998,746

LUBRIGATING SYSTEM Filed June 12, 1929 22 Sheets-Sheet 8 April 23, 1935. o. u. ZERK 1,998,746

LUBRICATING SYSTEM Filed June 12, 1929 22 Sheets-Sheet 9 April 23, 1935. o. U. ZERK 1,998,746

LUBRICATING SYSTEM Filed June 12, 1929 22 Sheets-Sheet l0 April 23, 1935. o, u. ZERK LUBRICATING SYSTEM Filed June 12, 1929 22 Sheets-Sheet l1 April 23, 1935. o, u. zERK LUBRICATING SYSTEM Fiied June 12, 22 sheets-sheet 12 Filed June l2 22 sheesheet 13 April 23, 1935. o. U. ZERK 1,998,746

LUBRICATING SYSTEM Filed June 12. 1929 22 Sheets-Sheet 14 April 23, 1935. o. u. zERK 1,998,746

LUBRICATING SYSTEM Filed June l2, 1929 22 Sheets-Sheet l5 April 23, 1935. o. u. ZERK 1,998,746

LUBRICATING SYSTEM April 23, 1935. o. u. ZERK 1,998,746

LUBRICATING SYSTEM April 23. 1935. o. U. ZERK LBRICATING SYSTEM 22 Sheets-Sheet 19 Filed June 1", 1929 um .Rm w,

April 23, 1935. o. u. ZERK LUBRICATING SYSTEM Filed June 1"', 1929 22 SheetS-Sheet 20 

